All categories

3 years ago

What is the solution of the following system

Mathematics

1 answer:

AleksAgata [21]3 years ago

4 0

Step-by-step explanation:

8x + 14y = 4 ...1

-6x - 7y = -10 ...2

...2 × 2 in 2 sides of the equation

-12x -14y = -20 ...3

...1 + ...3

8x + 14y +(-12x -14y) = 4 +(-20)

8x + 14y - 12x -14y = 4 - 20

-4x = -16

x = (-16)/(-4)

= 4

replace x in ...1 or ...2 you will reserve y value

and answer in the term of (x,y)

You might be interested in

2+2=??? PLEASE HELP ME THIS IS SO HARD PLEASEEE!!!!!

fiasKO [112]

Answer: 2 + 2 = 4

Step-by-step explanation: Let's say you have 2 cars, and you friend has 2 cars, for your birthday, your friend gives you his 2 cars, so now in total you have 4 cars, hope this helped! -Mason

4 0

2 years ago

the scale on a map is stated as 1:250000 two villages are 9 cm apart on the map how far from each other are the two villages in

Karolina [17]

Answer:

22.5 kilometers

Step-by-step explanation:

we know that

The scale drawing is

$1:250,000$

That means

1 unit on a map represent 250,000 units in the actual

1 cm on a map represent 250,000 cm in the actual

1 cm on a map represent 2,500 m in the actual

1 cm on a map represent 2,5 km in the actual

therefore

using proportion

Find out how much represent 9 cm apart on the map

$\frac{1}{2.5}\ \frac{cm}{km}=\frac{9}{x}\ \frac{cm}{km}\\\\x=9(2.5)\\\\x=22.5\ km$

7 0

2 years ago

2 1/11 as a decimal is?

Mkey [24]

Answer:

2.090909...

Step-by-step explanation:

Write as improper fraction and then divide

23/11=2.090909...

5 0

2 years ago

Read 2 more answers

Coral created a painting that was 4 1/ 3 ft long and 1 1/ 5 ft wide. What was the area of Corals painting? Express your answer

kotegsom [21]

!! Answer will be C !!

8 0

3 years ago

HELPPPPP MEEEE PLZZZ

olga55 [171]

Answer:

Step-by-step explanation:

if a<b,then b<a is the answer

7 0

2 years ago